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1427405045 = 511149317383
BaseRepresentation
bin101010100010100…
…0111100011110101
310200110220200121112
41111011013203311
510410403430140
6353350124405
750241512513
oct12505074365
93613820545
101427405045
116728075a0
1233a050705
13199955591
14d78074b3
15854a9c65
hex551478f5

1427405045 has 16 divisors (see below), whose sum is σ = 1869962112. Its totient is φ = 1037357760.

The previous prime is 1427405011. The next prime is 1427405053. The reversal of 1427405045 is 5405047241.

It is not a de Polignac number, because 1427405045 - 216 = 1427339509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73424 + ... + 90806.

It is an arithmetic number, because the mean of its divisors is an integer number (116872632).

Almost surely, 21427405045 is an apocalyptic number.

It is an amenable number.

1427405045 is a deficient number, since it is larger than the sum of its proper divisors (442557067).

1427405045 is a wasteful number, since it uses less digits than its factorization.

1427405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18892.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1427405045 is about 37781.0143458325. The cubic root of 1427405045 is about 1125.9412816799.

The spelling of 1427405045 in words is "one billion, four hundred twenty-seven million, four hundred five thousand, forty-five".

Divisors: 1 5 11 55 1493 7465 16423 17383 82115 86915 191213 956065 25952819 129764095 285481009 1427405045